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Avian assemblages at bird baths: a comparison of urban and rural bird baths in Australia

机译:禽浴场的鸟类聚集:澳大利亚城市和乡村鸟场的比较

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摘要

Private gardens provide habitat and resources for many birds living in human-dominated landscapes. While wild bird feeding is recognised as one of the most popular forms of human-wildlife interaction, almost nothing is known about the use of bird baths. This citizen science initiative explores avian assemblages at bird baths in private gardens in south-eastern Australia and how this differs with respect to levels of urbanisation and bioregion. Overall, 992 citizen scientists collected data over two, four-week survey periods during winter 2014 and summer 2015 (43% participated in both years). Avian assemblages at urban and rural bird baths differed between bioregions with aggressive nectar-eating species influenced the avian assemblages visiting urban bird baths in South Eastern Queensland, NSW North Coast and Sydney Basin while introduced birds contributed to differences in South Western Slopes, Southern Volcanic Plains and Victorian Midlands. Small honeyeaters and other small native birds occurred less often at urban bird baths compared to rural bird baths. Our results suggest that differences between urban versus rural areas, as well as bioregion, significantly influence the composition of avian assemblages visiting bird baths in private gardens. We also demonstrate that citizen science monitoring of fixed survey sites such as bird baths is a useful tool in understanding large-scale patterns in avian assemblages which requires a vast amount of data to be collected across broad areas.
机译:私家花园为生活在人类主导景观中的许多鸟类提供了栖息地和资源。尽管人们公认野鸟取食是人类与野生动物互动的最流行形式之一,但对于鸟浴的使用却几乎一无所知。这项公民科学计划在澳大利亚东南部的私人花园中的鸟类浴场上探索鸟类聚集,以及在城市化水平和生物区域方面有何不同。总体而言,有992名公民科学家在2014年冬季和2015年夏季的两个,四个星期的调查期内收集了数据(两个年度中有43%参与了调查)。在生物区域之间,城市和农村鸟池的鸟类组合有所不同,侵略性花蜜食性物种影响了前往昆士兰东南部,新南威尔士州北海岸和悉尼盆地的城市鸟池的鸟类组合,而引入的鸟类则导致了西南坡,南部火山平原的差异和维多利亚中部地区。与农村鸟类浴场相比,小型蜜鸟和其他小型本地鸟类在城市鸟类浴场发生的频率较低。我们的结果表明,城市与农村地区以及生物区域之间的差异会极大地影响参观私家花园中鸟浴的鸟类组合的组成。我们还证明,对诸如鸟浴之类的固定调查点进行公民科学监测是了解禽类集合体大规模格局的有用工具,这需要在广泛的区域内收集大量数据。

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